/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.db.it.schema;

import org.apache.iotdb.db.mpp.common.header.ColumnHeaderConstant;
import org.apache.iotdb.it.env.EnvFactory;
import org.apache.iotdb.it.framework.IoTDBTestRunner;
import org.apache.iotdb.itbase.category.ClusterIT;
import org.apache.iotdb.itbase.category.LocalStandaloneIT;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;

import static org.junit.Assert.*;

@RunWith(IoTDBTestRunner.class)
@Category({LocalStandaloneIT.class, ClusterIT.class})
public class IoTDBTagAlterIT {

    @Before
    public void setUp() throws InterruptedException {
        EnvFactory.getEnv().initBeforeTest();
    }

    @After
    public void tearDown() throws Exception {
        EnvFactory.getEnv().cleanAfterTest();
    }

    @Test
    public void renameTest() {
        String[] ret1 = {
                "root.turbine.d1.s1,temperature,root.turbine,FLOAT,RLE,SNAPPY,"
                        + "{\"tag1\":\"v1\",\"tag2\":\"v2\"},{\"attr2\":\"v2\",\"attr1\":\"v1\"}"
        };
        String[] ret2 = {
                "root.turbine.d1.s1,temperature,root.turbine,FLOAT,RLE,SNAPPY,"
                        + "{\"tag2\":\"v2\",\"tagNew1\":\"v1\"},{\"attr2\":\"v2\",\"attr1\":\"v1\"}"
        };
        String sql =
                "create timeseries root.turbine.d1.s1(temperature) with datatype=FLOAT,"
                        + " encoding=RLE, compression=SNAPPY tags('tag1'='v1', 'tag2'='v2') "
                        + "attributes('attr1'='v1', 'attr2'='v2')";
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute(sql);
            ResultSet resultSet = statement.executeQuery("show timeseries");
            int count = 0;
            try {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(ColumnHeaderConstant.TIMESERIES)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ALIAS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATABASE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATATYPE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ENCODING)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.COMPRESSION)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.TAGS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ATTRIBUTES);
                    assertEquals(ret1[count], ans);
                    count++;
                }
            } finally {
                resultSet.close();
            }
            assertEquals(ret1.length, count);

            try {
                statement.execute("ALTER timeseries root.turbine.d1.s1 RENAME tag3 TO 'tagNew3'");
                fail();
            } catch (Exception e) {
                assertTrue(
                        e.getMessage()
                                .contains("TimeSeries [root.turbine.d1.s1] does not have tag/attribute [tag3]."));
            }

            try {
                statement.execute("ALTER timeseries root.turbine.d1.s1 RENAME 'tag1' TO 'tag2'");
                fail();
            } catch (Exception e) {
                assertTrue(
                        e.getMessage()
                                .contains(
                                        "TimeSeries [root.turbine.d1.s1] already has a tag/attribute named [tag2]."));
            }

            statement.execute("ALTER timeseries root.turbine.d1.s1 RENAME 'tag1' TO 'tagNew1'");
            resultSet = statement.executeQuery("show timeseries");
            count = 0;
            try {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(ColumnHeaderConstant.TIMESERIES)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ALIAS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATABASE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATATYPE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ENCODING)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.COMPRESSION)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.TAGS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ATTRIBUTES);
                    assertEquals(ret2[count], ans);
                    count++;
                }
            } finally {
                resultSet.close();
            }
            assertEquals(ret2.length, count);
        } catch (Exception e) {
            e.printStackTrace();
            fail();
        }
    }

    @Test
    public void setTest() {
        String[] ret = {
                "root.turbine.d1.s1,temperature,root.turbine,FLOAT,RLE,SNAPPY,"
                        + "{\"tag1\":\"v1\",\"tag2\":\"v2\"},{\"attr2\":\"v2\",\"attr1\":\"v1\"}"
        };
        String[] ret2 = {
                "root.turbine.d1.s1,temperature,root.turbine,FLOAT,RLE,SNAPPY,"
                        + "{\"tag1\":\"newV1\",\"tag2\":\"v2\"},{\"attr2\":\"newV2\",\"attr1\":\"v1\"}"
        };

        String sql =
                "create timeseries root.turbine.d1.s1(temperature) with datatype=FLOAT, encoding=RLE, compression=SNAPPY "
                        + "tags('tag1'='v1', 'tag2'='v2') attributes('attr1'='v1', 'attr2'='v2')";
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute(sql);
            ResultSet resultSet = statement.executeQuery("show timeseries");
            int count = 0;
            try {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(ColumnHeaderConstant.TIMESERIES)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ALIAS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATABASE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATATYPE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ENCODING)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.COMPRESSION)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.TAGS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ATTRIBUTES);
                    assertEquals(ret[count], ans);
                    count++;
                }
            } finally {
                resultSet.close();
            }
            assertEquals(ret.length, count);

            try {
                statement.execute("ALTER timeseries root.turbine.d1.s1 SET 'tag3'='v3'");
                fail();
            } catch (Exception e) {
                assertTrue(
                        e.getMessage()
                                .contains("TimeSeries [root.turbine.d1.s1] does not have tag/attribute [tag3]."));
            }

            statement.execute("ALTER timeseries root.turbine.d1.s1 SET 'tag1'='newV1', 'attr2'='newV2'");
            resultSet = statement.executeQuery("show timeseries");
            count = 0;
            try {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(ColumnHeaderConstant.TIMESERIES)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ALIAS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATABASE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATATYPE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ENCODING)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.COMPRESSION)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.TAGS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ATTRIBUTES);
                    assertEquals(ret2[count], ans);
                    count++;
                }
            } finally {
                resultSet.close();
            }
            assertEquals(ret2.length, count);
        } catch (Exception e) {
            e.printStackTrace();
            fail();
        }
    }

    @Test
    public void dropTest() {
        String[] ret = {
                "root.turbine.d1.s1,temperature,root.turbine,FLOAT,RLE,SNAPPY,"
                        + "{\"tag1\":\"v1\",\"tag2\":\"v2\"},{\"attr2\":\"v2\",\"attr1\":\"v1\"}"
        };
        String[] ret2 = {
                "root.turbine.d1.s1,temperature,root.turbine,FLOAT,RLE,SNAPPY,{\"tag2\":\"v2\"},{\"attr2\":\"v2\"}"
        };

        String sql =
                "create timeseries root.turbine.d1.s1(temperature) with datatype=FLOAT, encoding=RLE, compression=SNAPPY "
                        + "tags('tag1'='v1', 'tag2'='v2') attributes('attr1'='v1', 'attr2'='v2')";
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute(sql);
            ResultSet resultSet = statement.executeQuery("show timeseries");
            int count = 0;
            try {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(ColumnHeaderConstant.TIMESERIES)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ALIAS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATABASE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATATYPE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ENCODING)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.COMPRESSION)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.TAGS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ATTRIBUTES);
                    assertEquals(ret[count], ans);
                    count++;
                }
            } finally {
                resultSet.close();
            }
            assertEquals(ret.length, count);

            statement.execute("ALTER timeseries root.turbine.d1.s1 DROP attr1,'tag1'");
            resultSet = statement.executeQuery("show timeseries");
            count = 0;
            try {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(ColumnHeaderConstant.TIMESERIES)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ALIAS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATABASE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATATYPE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ENCODING)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.COMPRESSION)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.TAGS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ATTRIBUTES);
                    assertEquals(ret2[count], ans);
                    count++;
                }
            } finally {
                resultSet.close();
            }
            assertEquals(ret2.length, count);

            try (ResultSet rs = statement.executeQuery("show timeseries where 'tag1'='v1'")) {
                assertFalse(rs.next());
            }
        } catch (Exception e) {
            e.printStackTrace();
            fail();
        }
    }

    @Test
    public void addTagTest() {
        String[] ret = {
                "root.turbine.d1.s1,temperature,root.turbine,FLOAT,RLE,SNAPPY,"
                        + "{\"tag1\":\"v1\",\"tag2\":\"v2\"},{\"attr2\":\"v2\",\"attr1\":\"v1\"}"
        };
        String[] ret2 = {
                "root.turbine.d1.s1,temperature,root.turbine,FLOAT,RLE,SNAPPY,"
                        + "{\"tag1\":\"v1\",\"tag4\":\"v4\",\"tag2\":\"v2\",\"tag3\":\"v3\"},{\"attr2\":\"v2\",\"attr1\":\"v1\"}"
        };

        String sql =
                "create timeseries root.turbine.d1.s1(temperature) with datatype=FLOAT, encoding=RLE, compression=SNAPPY "
                        + "tags('tag1'='v1', 'tag2'='v2') attributes('attr1'='v1', 'attr2'='v2')";
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute(sql);
            ResultSet resultSet = statement.executeQuery("show timeseries");
            int count = 0;
            try {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(ColumnHeaderConstant.TIMESERIES)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ALIAS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATABASE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATATYPE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ENCODING)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.COMPRESSION)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.TAGS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ATTRIBUTES);
                    assertEquals(ret[count], ans);
                    count++;
                }
            } finally {
                resultSet.close();
            }
            assertEquals(ret.length, count);

            statement.execute("ALTER timeseries root.turbine.d1.s1 ADD TAGS 'tag3'='v3', 'tag4'='v4'");
            resultSet = statement.executeQuery("show timeseries where 'tag3'='v3'");
            count = 0;
            try {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(ColumnHeaderConstant.TIMESERIES)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ALIAS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATABASE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATATYPE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ENCODING)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.COMPRESSION)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.TAGS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ATTRIBUTES);
                    assertEquals(ret2[count], ans);
                    count++;
                }
            } finally {
                resultSet.close();
            }
            assertEquals(ret2.length, count);
        } catch (Exception e) {
            e.printStackTrace();
            fail();
        }
    }

    @Test
    public void addAttributeTest() {
        String[] ret = {
                "root.turbine.d1.s1,temperature,root.turbine,FLOAT,RLE,SNAPPY,"
                        + "{\"tag1\":\"v1\",\"tag2\":\"v2\"},{\"attr2\":\"v2\",\"attr1\":\"v1\"}"
        };
        String[] ret2 = {
                "root.turbine.d1.s1,temperature,root.turbine,FLOAT,RLE,SNAPPY,"
                        + "{\"tag1\":\"v1\",\"tag2\":\"v2\"},{\"attr2\":\"v2\",\"attr1\":\"v1\",\"attr4\":\"v4\",\"attr3\":\"v3\"}"
        };

        String sql =
                "create timeseries root.turbine.d1.s1(temperature) with datatype=FLOAT, encoding=RLE, compression=SNAPPY "
                        + "tags('tag1'='v1', 'tag2'='v2') attributes('attr1'='v1', 'attr2'='v2')";
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute(sql);
            ResultSet resultSet = statement.executeQuery("show timeseries");
            int count = 0;
            try {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(ColumnHeaderConstant.TIMESERIES)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ALIAS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATABASE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATATYPE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ENCODING)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.COMPRESSION)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.TAGS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ATTRIBUTES);
                    assertEquals(ret[count], ans);
                    count++;
                }
            } finally {
                resultSet.close();
            }
            assertEquals(ret.length, count);

            statement.execute(
                    "ALTER timeseries root.turbine.d1.s1 ADD ATTRIBUTES 'attr3'='v3', 'attr4'='v4'");
            resultSet = statement.executeQuery("show timeseries");
            count = 0;
            try {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(ColumnHeaderConstant.TIMESERIES)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ALIAS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATABASE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATATYPE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ENCODING)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.COMPRESSION)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.TAGS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ATTRIBUTES);
                    assertEquals(ret2[count], ans);
                    count++;
                }
            } finally {
                resultSet.close();
            }
            assertEquals(ret2.length, count);
        } catch (Exception e) {
            e.printStackTrace();
            fail();
        }
    }

    @Test
    public void upsertTest() {
        String[] ret = {
                "root.turbine.d1.s1,temperature,root.turbine,FLOAT,RLE,SNAPPY,"
                        + "{\"tag1\":\"v1\",\"tag2\":\"v2\"},{\"attr2\":\"v2\",\"attr1\":\"v1\"}"
        };
        String[] ret2 = {
                "root.turbine.d1.s1,temperature,root.turbine,FLOAT,RLE,SNAPPY,{\"tag1\":\"v1\",\"tag2\":\""
                        + "newV2\",\"tag3\":\"v3\"},{\"attr2\":\"v2\",\"attr1\":\"v1\"}"
        };
        String[] ret3 = {
                "root.turbine.d1.s1,temperature,root.turbine,FLOAT,RLE,SNAPPY,{\"tag1\":\"newV1\",\"tag2\":\""
                        + "newV2\",\"tag3\":\"newV3\"},{\"attr2\":\"v2\",\"attr1\":\"newA1\",\"attr3\":\"v3\"}"
        };

        String sql =
                "create timeseries root.turbine.d1.s1(temperature) with datatype=FLOAT, encoding=RLE, compression=SNAPPY "
                        + "tags('tag1'='v1', 'tag2'='v2') attributes('attr1'='v1', 'attr2'='v2')";
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute(sql);
            ResultSet resultSet = statement.executeQuery("show timeseries");
            int count = 0;
            try {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(ColumnHeaderConstant.TIMESERIES)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ALIAS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATABASE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATATYPE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ENCODING)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.COMPRESSION)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.TAGS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ATTRIBUTES);
                    assertEquals(ret[count], ans);
                    count++;
                }
            } finally {
                resultSet.close();
            }
            assertEquals(ret.length, count);

            statement.execute(
                    "ALTER timeseries root.turbine.d1.s1 UPSERT TAGS('tag3'='v3', 'tag2'='newV2')");
            resultSet = statement.executeQuery("show timeseries where 'tag3'='v3'");
            count = 0;
            try {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(ColumnHeaderConstant.TIMESERIES)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ALIAS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATABASE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATATYPE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ENCODING)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.COMPRESSION)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.TAGS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ATTRIBUTES);
                    assertEquals(ret2[count], ans);
                    count++;
                }
            } finally {
                resultSet.close();
            }
            assertEquals(ret2.length, count);

            statement.execute(
                    "ALTER timeseries root.turbine.d1.s1 UPSERT TAGS('tag1'='newV1', 'tag3'='newV3') "
                            + "ATTRIBUTES('attr1'='newA1', 'attr3'='v3')");
            resultSet = statement.executeQuery("show timeseries where 'tag3'='newV3'");
            count = 0;
            try {
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(ColumnHeaderConstant.TIMESERIES)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ALIAS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATABASE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATATYPE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ENCODING)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.COMPRESSION)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.TAGS)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.ATTRIBUTES);
                    assertEquals(ret3[count], ans);
                    count++;
                }
                assertEquals(ret3.length, count);

                resultSet = statement.executeQuery("show timeseries where 'tag3'='v3'");
                assertFalse(resultSet.next());
            } finally {
                resultSet.close();
            }

        } catch (Exception e) {
            e.printStackTrace();
            fail();
        }
    }
}
